1-Chloronaphthalene, 1000µg/ml in MeOH, 1ml Back Catalog number: 70311 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended DF-LCS-A Mass-Labelled PCDD/PCDF Solution/Mixture , 1.2ml , nonane Price on request MDF-1234689-1 1,2,3,4,6,8,9-Heptachloro[13C12]dibenzofuran, 1.2ml x 1ug/ml, nonane Price on request 2303.9-1G Azelaic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 123-99-9 Price on request